package com.itheima.service;
/*
* 算术运算符
* */
public class Tist3 {
    public static void main(String[] args) {
        System.out.println(10+20);
        System.out.println(10-20);
        System.out.println(10*20);
        System.out.println(10/2);
        System.out.println(10 % 3);
        System.out.println(1/2);
    }
}
